dist_transform uses final skeletons. Fixed slicing issue.
Remove test plotting.
Added weighting options to radial_profile and gauss_model.
Return FWHM separately.
Correct syntax error from last commit.
RHT treated with continuous boundaries. Added polar plots for RHT.
Update README.md

Minor formatting fixes; images actually show up on github now
RHT computed using array multiplication to speed things up.
Merge pull request #3 from keflavich/patch-1

Update README.md
Further updates to README.md.
Remove narrow connections in the mask. Removed mask labeling requirements.
Bin using median instead of mean.
Fixed weighting type in radial_profile. Added chi-squared function.
Experimenting with extending radial profiles.